Tractor with hybrid power system
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United States of America Patent
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May 2, 2017
Issued Date -
N/A
app pub date -
Apr 7, 2015
filing date -
Nov 6, 2012
priority date (Note) -
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Abstract
A tractor includes an internal combustion engine for delivering torque, wheels or tracks for imparting a propulsive force to the ground, and a power takeoff shaft for delivering torque to implements attached thereto. The power takeoff shaft is driven by a mechanical drive connection to the engine. An electrical motor/generator is drivingly connected to the engine, and at least one electrical motor is arranged to deliver a propulsion force to the wheels or tracks. The motor is electrically connected to, and powered by, the electrical motor/generator. A battery is connected to the electrical motor/generator and to the electrical motor so that electrical energy can be passed therebetween. The motor/generator can also operate as a motor so that the power takeoff shaft is at least partially powered by electrical energy from the battery.
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Family
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